#include<cs50.h>
#include<stdio.h>
#include<string.h>
#include<ctype.h>

int main(void){
    string s = get_string("Before: ");
    printf("After: ");
    for(int i = 0, n = strlen(s) ;i < n;i++){
        printf("%c",toupper(s[i]));
    }
    printf("\n");

}
